Plasmate on Replit

Try Plasmate - the browser engine for AI agents - right in your browser!

Run It

1. Click the Run on Replit badge above (or fork this Repl)
2. Hit the Run button
3. See the SOM output for Hacker News
4. Change the URL variable in main.py to any website
5. Run again!

What's Here

• main.py - Fetch a single page and explore the SOM structure
• compare_tokens.py - Compare HTML vs SOM token counts (uses tiktoken)
• batch_demo.py - Fetch multiple URLs and compare compression ratios

What is Plasmate?

Plasmate is a browser engine that outputs semantics instead of pixels. It compiles HTML into a Semantic Object Model (SOM) that AI agents can understand directly.

• 16.6x fewer tokens than raw HTML
• 50x faster than Chrome headless
• 30MB memory vs Chrome's 300MB+
• Apache 2.0 open source

Links

• Website
• GitHub
• Documentation
• W3C Community Group